Is Carlsbad, NM Tap Water Safe to Drink?
Carlsbad tap water meets federal Safe Drinking Water Act standards but 1 of 1 ZIP code show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.
Where Does Carlsbad Get Its Water?
Water in Carlsbad, NM is provided by 2 public water systems: CARLSBAD MUNICIPAL WATER SYSTEM and OTIS MDWCA.
How Is Carlsbad Tap Water Treated?
Treated water is disinfected using chloramines and free chlorine. Treatment includes groundwater disinfection.
What's in Carlsbad Tap Water?
The following contaminants were detected most frequently in Carlsbad public water systems. 1 of 1 ZIP codes showed detections above EPA health guidelines.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 52.6 µg/L | 10 µg/L | 1 ZIP | Above guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| 8:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 11Cl-PF3OUdS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Carlsbad
Based on EPA monitoring data, 1 of 1 ZIP codes in Carlsbad have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.
Best Broad-Spectrum Filters for This Water Profile
This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about Carlsbad Tap Water
Is Carlsbad tap water safe to drink?
Carlsbad tap water meets Safe Drinking Water Act requirements but 1 of 1 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.
What contaminants are in Carlsbad tap water?
The most commonly detected contaminants in Carlsbad water systems include: lithium, PFTrDA, 8:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Carlsbad get its drinking water?
Carlsbad receives water from 2 public water systems, including CARLSBAD MUNICIPAL WATER SYSTEM.
Do I need a water filter in Carlsbad?
If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.
How often is Carlsbad tap water tested?
Public water systems in Carlsbad are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2024-07-08.
Tap water reports by ZIP in Carlsbad
- 88220 - Carlsbad tap water report Higher concern
Water utilities serving Carlsbad, NM
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- CARLSBAD MUNICIPAL WATER SYSTEMAction advised
Also covers / overlaps with
- Carlsbad CCD, NM · Township
- Happy Valley, NM · CDP
- Loving CCD, NM · Township